/*
 * Copyright (C) 2012 Roman Yakovenko <b179a9@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.b17.net.core;

import com.b17.net.exception.FragmentationTimeoutException;
import com.b17.net.listener.ServerPacketListener;
import com.b17.net.listener.ServerStateListener;
import com.b17.net.protocol.FragmentationReader;

import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;

/**
 * Created by b17
 * 3/3/12 5:06 PM
 */

public class ConnectionThread extends Thread {

    private Socket socket;

    private ServerPacketListener packetListener;

    private static final int DELAY = 500;

    private static final int TIMEOUT = 60 * 1000;

    private ServerStateListener stateListener;

    public ConnectionThread(ThreadGroup group, Socket socket, ServerPacketListener packetListener,
                            ServerStateListener stateListener) throws IOException {
        super(group, "ClientSocket thread");
        this.socket = socket;
        this.packetListener = packetListener;
        this.stateListener = stateListener;
    }

    public void run() {

        InputStream inputStream = null;
        int connectionTime = 0;
        String disconnectReason = "Timeout";
        try {
            while (!socket.isClosed() && connectionTime < TIMEOUT) {
                try {
                    inputStream = socket.getInputStream();
                    int available = inputStream.available();
                    if (available > 0) {
                        FragmentationReader protocol = new FragmentationReader(socket.getInputStream(), socket.getOutputStream());
                        byte[] data = protocol.read();
                        Packet packet = Packet.create(data);
                        packetListener.onPacketReceived(packet);
                        socket.close();
                        disconnectReason = "Job done";
                    }
                    Thread.sleep(DELAY);
                    connectionTime += DELAY;
                } catch (IOException e) {
                    e.printStackTrace();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        } catch (FragmentationTimeoutException e) {
            disconnectReason = e.getMessage();
        }

        if (null != stateListener) {
            stateListener.onClientDisconnected(socket, disconnectReason);
        }
    }
}
